Soft wall tub



FIG. 1 is a perspective view of the soft wall tub.

FIG. 2 is a top view of the soft wall tub.

FIG. 3 is a front view of the soft wall tub; and,

FIG. 4 is a side view of the soft wall tub. 

We claim the ornamental design for a soft wall tub, as shown and described. 